Q78. What explains the eastward flow of the equatorial counter current?

Which one of the following factors is responsible for the change in the regular direction of the ocean currents in the Indian Ocean?

Consider the following statements: 1. In the tropical zone, the western sections of the oceans are warmer than the eastern sections owing to the influence of tr

Consider the following factors: 1. Rotation of the Earth 2. Air pressure and wind 3. Density of ocean water 4. Revolution of the Earth Which of the above factor

In the South Atlantic and South-Eastern Pacific regions in tropical latitudes, cyclones do not originate. What is the reason ? (a) Sea surface temperatures are

Consider the following statements: 1. Ocean currents are slow-surface movement of water in the ocean. 2. Ocean currents assist in maintaining the Earth’s heat b

What causes wind to deflect toward the left in the Southern Hemisphere ?

Which of the following is/are correct inference/inferences from isothermal maps in the month of January? 1. The isotherms deviate to the north over th

With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct? 1. OMT is measured up to a depth of 26°C isotherm wh

Consider the following statements : 1. Most of the world's coral reefs are in tropical waters. 2. More than one-third of the world's coral reefs are l

With reference to ‘Indian Ocean Dipole (IOD)’ sometimes mentioned in the news while forecasting Indian monsoon, which of the following statements is/a

Tides occur in the oceans and seas due to which among the following? 1. Gravitational force of the Sun 2. Gravitational force of the Moon 3. Centrifug

The most important fishing grounds of the world are found in the regions where:

The acidification of oceans is increasing. Why is this phenomenon a cause of concern: 1. The growth and survival of calcareous phytoplankton will be a

La Nina is suspected to have caused recent floods in Australia. How is La Nina different from El Nino? 1. La Nina is characterized by unusually cold o